A Sikh a is person who follows the teachings of the gurus. and Khalsa is a person who follows the rehat of guru gobind singh basically the same thing. but some people think that a Sikh is some who follows the three teachings of guru Nanak 1. naam jappo 2. kirt karo 3. vand chako people that haven't taken amrit usually say this so they don't have to keer there hair and not take amrit. But even ever April when we celebrate the birth of khalsa, the people celebrating are the people that have taken amrit put the ones that haven't are like guest's in someones party. but they say that everybody born in the world is born a Sikh.
bhul chuk maf